AdBlock Plus: The Internet's Ad Gatekeeper?

After its release in 2006, a browser plug-in called AdBlock Plus gained hero status as an open-source effort to save consumers from obnoxious ads. But in 2011, AdBlock Plus began poking holes in its filter, adding a whitelist of "acceptable ads" that it lets through--some of them for a fee. Brooke talks with Till Faida, AdBlock Plus’ managing director, about his company's policy.